{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65808",
    "entityType": "User",
    "nonce": "0x71e7d98fc2b35c14e5ee11622868b85363111bb218d28a587dcf2e17dfd64d5e",
    "signature": "0x0b73b921064e04d249706395a30832dccc5c33458a9679678fa188a70d5083480695d43f1a5c4d632938123887b54229ca745c6d634b43ebe2c7c0bd1ea1190e1c",
    "signer": "0x55468B5b5E23C33f7E9D5569ba2E65189f8206C7",
    "userId": "158468791"
  }
}