{
  "manageEntity": {
    "action": "React",
    "entityId": "554460513",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"entity_id\":819600942}}",
    "nonce": "0x4d857a36572f3c8ba7382973910cbf57a392bfd9638d29f0c00f2949d3a29f59",
    "signature": "0xa7e4c128a0160f98f08c834927a97f2b83dc38606f38b8985082ac36ca42f74105a25fa5b1a156ecbd43e57ef213682a663f014dfa970426bdd7cc616b3660901b",
    "signer": "0x9B1Bddbfd19BB66717F178D531ce37dC714fAA1E",
    "userId": "868248368"
  }
}