{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "466223",
    "entityType": "User",
    "nonce": "0xb4e57c0dd37d8656cd48cf7359e62fcbd68e06a937babb8ea9d511edf9e99170",
    "signature": "0x437f933b805716b69fdd8c125031fe220cdff587e0c5d14ae89c42d254db3c804906758dca808644cce9d8bc8f94644b79fb92f1edc3f62da04751250a90f1231c",
    "signer": "0x63762Ba099c2247aD3755af8aCb1d62705f0D5CC",
    "userId": "851444561"
  }
}