{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "986621",
    "entityType": "User",
    "nonce": "0x230126d1981c6957924ce07353ec98a3e706d48ef475f10d5e113a05dd46983c",
    "signature": "0xd9ed34844e0f6bcc9d55033735d5b20d0fc4184c6a4d367dcab338e93463cb53524a5abb747c282ad12d08064ca1323cedd43e88e0f40963d372cb9ae9ecb63d1c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}