{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5218",
    "entityType": "User",
    "nonce": "0x7bb83829c8adba2729f320072c4586d59da043125fb9bd3d53db7e7519ba705c",
    "signature": "0xd76d3534d6a6a516e40f2e4e8566e09c953bcf43cc84ebe4037767cd0280957c030c2b0a4db914efbbce0eaea68885a313fd6b6ea3bd894171eb6e8c379ede891b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}