{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954705651",
    "entityType": "User",
    "nonce": "0xb535e1a014a9beea2454a90fb06778be9697b74b6a2ea3654bbc5926866cca5d",
    "signature": "0x15323c0943ec3c86a1e62776949d9673743a7d0aab3e95914fa309cf280db26a3dbe7a746f019d92371cdb637432da2556d7fd83eeb62a53e5c67703ca035bf91c",
    "signer": "0x9D25CA757001F2f1F62f38c465aa70E0f89Ea39D",
    "userId": "879689249"
  }
}