{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66452",
    "entityType": "User",
    "nonce": "0xa5d0739c583cd5b87fdd54b844dc639b50530bdb47f785bb944709938ac7fc6a",
    "signature": "0x7692972f89d06f60a2e459e1071ea7a3ef5f47e5ade0d6609084e6a1ca4f2cdc75afaf912240b91a9ba49be92cea0beb29403bc3750e8fab5f40cb28dfb622951b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}