{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205075370",
    "entityType": "User",
    "nonce": "0xaa53cf86e42784aa81875c178aa902600418b263f527e5527b3b77dbf7512a09",
    "signature": "0xea8b74e24bbe56ecb0e6b555399bfd1c2ed5803373f79c958a3172165e37ba2c367430d7729d064449cbcab798bb8f9e1802a6d0c5eddabb617abde3d37ec6c31b",
    "signer": "0xF6A82B34B4713Bf1d32BB94CC73A0acF37d4C822",
    "userId": "487342441"
  }
}