{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "452126442",
    "entityType": "User",
    "nonce": "0x0cb62a8bd3177a1d4ec4e58a46cd0c878313ceacef3c38eeb10a3081e5244a14",
    "signature": "0xf984ca18796555bfe0fd83466b35225157a2487ab6466ee8666532b4f6a5d0cc67128a10c3ad323b409eccfb692636e85123e8da45304e4a67ed9b1d03780e4f1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}