{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "627522830",
    "entityType": "User",
    "nonce": "0xf65c8fe2ba72a305d8b73078b7a01550674e0b950d7892e7a2cbc16443a311b5",
    "signature": "0x9150557dfa7b8a9897ecf105eb3d5ee7168ccb7ab08f84b756c49802ac537953594e65e9fba83534f50544ccb7380ec99801078c4123612b087f004ed3f131db1b",
    "signer": "0x2c93018Ec80482402e0270De617331aAD32E694c",
    "userId": "131458840"
  }
}