{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "964612383",
    "entityType": "User",
    "nonce": "0x8bec30d8ffda4d2d12839c3c182b5a14938038abe8ebb4e43c31c26201df596d",
    "signature": "0xb20b47c783d20e4725fe7c6f26079eed6ed35a4e3b965077e6496e9cbe8abda44a307ac7795a9ec93944a2ae1940be05fa4d7f73f4c7fca13a84632560e5b29f1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}