{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "943474958",
    "entityType": "User",
    "nonce": "0x2e06c1c7433c7dea9ddfd3985ceff5d55ee2cd31ae49f9686739246bb1cab1f3",
    "signature": "0x42a7b899d120b905d30f13ef4cd292523b5464a5b78bcb7291a7266cad86e16b5257b429ae8c4d0e5fd91d9f0a81f596f8f17fdd88792c2ff63b83c482b493931b",
    "signer": "0x70b7c172C22ca6f528F9B205cff3E32D9D6cE7dC",
    "userId": "396607"
  }
}