{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0xf5fd0d6c239d253672970bf99c7d2423784374b33588ceee26c6c70c3a8de81f",
    "signature": "0xc10ca8f6c1a231c71b0dfbb8d57f1fbbf87095cd2581d51d52afe84ba2240c4a4237b1fd3c33070157e4ede39d3edb40eaa2099039f647cdc47d138e472587de1c",
    "signer": "0x7cb3978D851aBbaD3373f09F31DF1ceA399d64B3",
    "userId": "860501393"
  }
}