{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9507",
    "entityType": "User",
    "nonce": "0xbfda445e17dc573f94ab81899a43a1f428b4b2d9ee3da0bf2f7cca1005f2e7ec",
    "signature": "0x3796b22fc2dfff5205e5e93d303de6942f18a1342edaafd2f98fec807f1361247a694d2db6e2d86608a0d32e5532d988c2912475a301171c71928ba6536843591b",
    "signer": "0x67E321241D4e44e5aB5D1c365505f0F33044C7BE",
    "userId": "460631539"
  }
}