{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x12b0f5840fa3176a41b2d3a808608b6f9ce9ca349bc10cb2b58c30ca702de14b",
    "signature": "0xd418d029942548007fa6180c20ce09a474a5baec2b3f8e1ca0277fcd563a629026659d2856289ad579eb20202fbb6890fad0a1482b1355712a202c5f190a1ea81c",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}