{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1411587",
    "entityType": "User",
    "nonce": "0x36b09412b95aa910c93aaf8c71ab75644befbf10a3d823ddda0422405392f7bd",
    "signature": "0x7b143309d39d3028cdd732ea7cc7099fbe57f0508419b595fa2ce019615a1e39745d781f8f5a1d383a82d4736488addc084f638961d21eefe12cc984c934b6ae1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}