{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "283769",
    "entityType": "User",
    "nonce": "0x78197042e18119b3b86efbb2cdf4e4084938db4fb9ee39394d18f164b197f63c",
    "signature": "0x19c40a325cbd5ef4bfddb1c26eb21a6fd94f03a986bc33d12c78f014ae9a3fab1071c992358ffb4f70cdcb39f8637ef0e0fd3a55a778266dead89c84b648170c1b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}