{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967323686",
    "entityType": "User",
    "nonce": "0x0a5b9a9cdcc4fff65e9aedf33aef28ea3c4f1357c54a0e0c5d38f4b4f0b1fbb7",
    "signature": "0xfd34dc4285e39403624e954e9201e69f2905270005fa110ba5cc762feb989f105c5924aca1347339143ab196207eed7f650938c23a5213c06473e7bfbbfef6261b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}