{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x33324d460beb6e6a396cb3f4702ac0bb8e23181fcdb096e0d25b9e7c26be5e18",
    "signature": "0x51c1b7335aaadc7cff3690fc363066534282fb90e43adb2059ef20b9e1618fbf4fe02459a3b62bb5706ed52d46d4e9a11d36726c854ea09a7808df6d38115cba1c",
    "signer": "0xfE289ba92f93d7A07d592E25C34E849E002aD711",
    "userId": "833831182"
  }
}