{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x0ea908323a7307080b1e9ff6847c202cd91dc6d84821ffc4efe5484e998f9060",
    "signature": "0x6b6215ed0264ace16b094053cb7878cf173605ae690281c6512d3b43175b6bac011f4e4e476204bccaeead8cce60e674b12e8a91e0363a67615f8d4fb7b11df51b",
    "signer": "0xea79EEd60D97517387a63Acc5fd3BeE2227F1658",
    "userId": "220230236"
  }
}