{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67658",
    "entityType": "User",
    "nonce": "0x558fb5c830c17b92bc158c314519e85550ec9cf79875f0be675f03fe9d74a4a2",
    "signature": "0x00db7bb00796f1dd9a173b1653d45013f29aefd63d99cb742b36603224a7ab982e3533ff4b2e9bb934f24fa4643f801ed69e08f9af45d66f89a4f23fea5a87411b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}