{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "283535234",
    "entityType": "User",
    "nonce": "0xd16ef409a1e9ea6a2e8814e03d1cad3299856b2c67d6a917d501a811db1a666e",
    "signature": "0xfe9dd9891b5a23c78d4767608669f9c34566141966be82ccde86f4f2fc144d3113cbf978736e257821c1b61b841b298f3f917d5318420108a5b23f4809e0b2ff1b",
    "signer": "0xfC070d9d02c152146e3D1B2cD4B03FD7a3CA1AB0",
    "userId": "539537193"
  }
}