{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954705651",
    "entityType": "User",
    "nonce": "0x162648daa4a0f9448954269341b518c82c3317378b38ba68535dbc4e39741c25",
    "signature": "0xe077b8b6789985af03e5105a9e378bfd271df254e3ee32afb2cd13676e3a7d684f9d5807e83ec54d4a41a2133d830ed9e1cdc12c3d9dc4a62bc43b0077d610351c",
    "signer": "0xfDD86dA2081039B574A1b90e23943c722aB9aad5",
    "userId": "626777695"
  }
}