{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18985",
    "entityType": "User",
    "nonce": "0x8a4976e2a76893e8badf6a1cf1c8e889bb0eb24f1c4b6d6cebeac6d3ffd5036f",
    "signature": "0x270cdb4617a32e688522f98a1fe53dda485835c0ebd3bdd50c0284f1c6f0bb391cb8ee53a830bd0565c3c32310c1c0d9f94d97c30cf4a7ab00c4e706ec67abbb1c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}