{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707937",
    "entityType": "User",
    "nonce": "0x2c44d96a07f9c5f1fec7c66f0363a5ba8d66a4170fbdcf9362db1238296a6553",
    "signature": "0xbc703011348625980e59d93c26e50c7c50dc0fc9e19bf42c36c272926b22e82a371f437dcf620055b9784360f341adb95aeb16679578efd623f8ac1b59c2f1a11c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}