{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981356686",
    "entityType": "User",
    "nonce": "0x4d260868090f696a4f265ba3868b02f9092362da5de4e77aa19bf27da04fba1c",
    "signature": "0xc99a7459f544538dbf6cb0de1b006b8f47ee1202a09ae58f3cd9bb4b90719e360257541bda0dff5cd1e57485c63bf6d9df66bf640b6d9e517f16071045081c511c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}