{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xec085dfd0eecc0d139587c9c1a8a915688404346b429f94e23bd6cd3490a1a6c",
    "signature": "0x4340019c9657d381af1044f24162401915513ab04f32391fd6e2f89ff3705b567a0f859466be3ca8566b6895a75b6b186fc2411a1908a8059906d8469265ae7a1b",
    "signer": "0x6Ee7842A432b779E1Bf51F27B824fe86161cee6c",
    "userId": "408407824"
  }
}