{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "206844813",
    "entityType": "User",
    "nonce": "0x777ae07f48c206c1772b41bc605b3e994c4e11f4b528f23674fde6a2c5f8cbd9",
    "signature": "0x8a93dd16f6119d1d40d73403e0ed8bee9df597674e4b69cec5cb4f9e2f1da24d5cd4f9e0a6bf94eaba61506173d0bbb6963ddf66f684a1da47cedcd9242ad1131b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}