{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0xd9fbad92a5b6083e4e944ed5320d8978e6910738ab978aa021c7bf59a988c908",
    "signature": "0x0b71e424d6fc6298f6e977fbfdc38679d46aa442abc3fe97de3d21d58896fe3b32f00c65c4657d8192ff27bc364559f33de39985cd19ae523b51ca4a230a8e8a1c",
    "signer": "0xA56552Ddf7D4d833c1B3e4f8D727B787d4D1DFFe",
    "userId": "629530515"
  }
}