{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x19739c241dae39723d5bb575a91f5b37a5920d71ab53c1e84b2298338ac7d9b5",
    "signature": "0xe3c62d5edd75133342579fa53e6f97351d2c6076bc53d18e6811e777eacbf28f46013ba300bab57f98a1ad1f5146a17188111b8863e7a799a95dfcd959a2dc6c1c",
    "signer": "0xC9b9f4Dac097137f37142eBF706e28d33C9e03Ac",
    "userId": "440148906"
  }
}