{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1112761",
    "entityType": "User",
    "nonce": "0xf3548b8f5008fc9346e3280a501a56b9dd960675075afb0763b9235ff7703298",
    "signature": "0xd506e4d3c0926f01e3d4bce5ae36e136329c24a06f0713eae243ad1f6e62d8bb1bc3821b383b90a3585308a7500986f471d353bb70510a4fe212c63322e336401b",
    "signer": "0x6800EEcBd9048a9E91Bf8096E936C2Ed61b6ee57",
    "userId": "136844488"
  }
}