{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "204435",
    "entityType": "User",
    "nonce": "0xcf98f45a996c4cd1ef8168260101ea89e92347892d177d65df6de1678ceac882",
    "signature": "0x2a511857933f4becd84c3841b7ed2eda0d47a59e31cd9b06444819b5dc7c5598545fafbec33e8effee0778bb95750f71af7d6cf7373d890c9dda3ad5423acb291c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}