{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83483639",
    "entityType": "User",
    "nonce": "0x14062b8c1cde38da264ce9c79f85721828540010b70211a3d299ad3d54d1ff03",
    "signature": "0x2ff6029aa36f23f6ef8e005652a8010c0ad34e058383edbe77e477f383a703f2719b9183e9973436b7e8f41b0134080467058e58d1cf90abe8422c285d120f0b1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}