{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4686",
    "entityType": "User",
    "nonce": "0xee02500a3dd1a34462fcf635d8422a16d1116b1e56eb1f4a7e6f82de30971432",
    "signature": "0x7deac4a53073c58ab21c1900e5694dd6f3978dca402f3289b157cbd1b341a8b11dfb1ae124b3e5e63b732c050717def2ca332d5e66f32320cc26dcf586f464b71c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}