{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "866124",
    "entityType": "User",
    "nonce": "0x9eefb519c64f4b985be905710faefe7b3c1d09372f0f2de099333b8606ea3ec3",
    "signature": "0x2edf485da6cf984e87d8795084042127c3403b2f026b57d3077f93292467f8216f951d4a2d3e5c7b8dbf982aed19ed6080b63616de5cab546e6de4c4c6790cb51b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}