{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54436",
    "entityType": "User",
    "nonce": "0x0001f2b83b99fc73ac3d6e29eed3f54d6d0b04871543055304b4bc220d1bf26c",
    "signature": "0x201f8005bc3904d2facde56cd7e9c8ef9bb3793a5c3b864959dda92398fa0a755c077af0c28d851035777d5742d5147881756ba46cf1b9ea76d8dca6eb9c5c9e1c",
    "signer": "0x263F86e8E1124FF5c99f0d566e4075Deee580F62",
    "userId": "141023"
  }
}