{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "163171",
    "entityType": "User",
    "nonce": "0xdb076239fb3b5bc5220c67d808a44dbf1b9a93691ace0b339efde70837126414",
    "signature": "0x295e0563d55772ed3ab4c830a7f02a13a14c1d12d37d25765ec0fe17b1a094bf78daf7a7fcb486e90770413623f5c89eaca58642dba011b0ca3e0a44dfe639e11b",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}