{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd6d6c233134202d1d0db0b6185b59b510b178a0f60003ec094f451fa7f391716",
    "signature": "0xd0b47e11a30308df77c1bb104de0b43f07a33ae47ac3e7c54328e298e53999745ba9db4e94d5bed4fc63a020f2f78b699f460f3024c5e3299d0687d97ee0188d1b",
    "signer": "0x85d37e3770890FD6c57149FDfcb1FaC0c8B279BF",
    "userId": "963468241"
  }
}