{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x4da7a60c1409a1b73d098a42b92de8a734c4cc7a9f8c2982d93abc812914fc6c",
    "signature": "0x1f64eddf60e958ebf7320cebcb3b4320a076d252530f96d0a64b1e6037fb9093445e8848a3f58082316345202885c496f08c68165a91f2cff7b0ea748ee4cd1f1c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}