{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54304",
    "entityType": "User",
    "nonce": "0x1aa8a34bb9328685bf2a4d19e1ce40c54fb12d93619780281dbacdecf693a0bd",
    "signature": "0x517af9595940a684041d521175db02b5758951141de96eec859b6f46f4b90dec0a2f2b555d32fc4c59a3a56215035245c28fdd55a316bd56976bf9aebbb4a78c1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}