{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72758",
    "entityType": "User",
    "nonce": "0xa9f8f49fb3c8392caa13bd3fff16eabcaf2f162aad9c7154bcd7c9eb98b667fd",
    "signature": "0x1ed8afe3b5c854f379247cb45b7f3e10bfa9cf1ab5dd6517aafcea3d619b4e55033e250bcea165b285c69c3ef9ef1fb06339387653eab1b1a649a16734857b061b",
    "signer": "0x3fB3464202dCA960F65e2706E5749EaFc41e4b48",
    "userId": "826685732"
  }
}