{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222758223",
    "entityType": "User",
    "nonce": "0x6af342b44e12a0ad63236db38f0282904207ae29d61e7a44bad310191fd56c69",
    "signature": "0xd7b14d3e5cc164df442f40f908bfd844059127a9c6a80fc2a59a07dae6f1eeff5efc3c5a02a1ae1a18193b9b28632c215d7043f021295b27caa77fbddc46cc841b",
    "signer": "0xD7aB1dc58218Ea482491FF8fa79612A47b5B0d21",
    "userId": "502291359"
  }
}