{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55368559",
    "entityType": "User",
    "nonce": "0x04b8ee6c8c5820beeb3d347790a927c48ec742c8d34037a4077926f0b0376960",
    "signature": "0x401c8335d7572c7088ee89cc09388157215ade9a3a0744985c29b0b369589d8128968eae9f696b572cb2e2bbc6a739b4324790862c2c431dccafe7ce6fcb6e281b",
    "signer": "0xce8922BCeB6356Bcf772BCb592290B731c4Dbf32",
    "userId": "322981683"
  }
}