{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "219968466",
    "entityType": "User",
    "nonce": "0x09477b9f6e81b809cf7f49b3db3f96e4e45b7a076923000a8f1a6df21ab3c2eb",
    "signature": "0x2f57b918703b1bacb76a5c4af39c13fe97fe4a91cd57f63008bcb667894669f519630f253b312fcefc382f7e721f5c665bc98d6b1db1c7bf8d2ead2004ed8a411c",
    "signer": "0x06Ad5789cE045C5B0AeB97849051a7385CA95B4a",
    "userId": "270209897"
  }
}