{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37031",
    "entityType": "User",
    "nonce": "0x25461d0a54aab0b9a51f4a7e37aa61580c8eadf71bfdcb6cd24c6562e78d35a0",
    "signature": "0x24a891f520936393c95715d083213dcbd50315eb52a7c58d9e04368dee3c40d308242f2add2beac1209177a07eb0caaeb8cccd624589c0b4c40baceb8fa86a441c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}