{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205894",
    "entityType": "User",
    "nonce": "0xeeed7ca46fea1b06ecafea87a7bf64347fc615c1ff5def9e2f7648c4c467bd05",
    "signature": "0x09c787997002fc7fd5c3748d048d2856b3eab88180a1aae9bac1a75399933b342611169ddc648bf403d3144df62beb27885c5f7c3adb75d1e5d9f6bfca86d2a71c",
    "signer": "0xac8b9308aAA76F38874d8d7274c1d38Ba416aFD7",
    "userId": "210699516"
  }
}