{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108774",
    "entityType": "User",
    "nonce": "0x2f6ed5b3d7c9e28a40fb907011a2f15832e9cf3d104a7ad9344b1f07356aae20",
    "signature": "0x485f6aae1d08f99c1c9b22c34ddeadf5b8c056bd584c1bbbdc42e816cfbd423426490970e8c6e3e86b88a597b0620b1bda48094eec60927b3c6d07711bda226a1c",
    "signer": "0xcED3bB41dC25f9Ee71c86D77eF68b745550f8C9B",
    "userId": "593392725"
  }
}