{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xeca7a6d7948a63f45a2dfc14a22a803c4bb87d8a84cd33876e7a968eb057a6b7",
    "signature": "0xb502ba0a65266f592780d5d46c742ff5eb540a687033a1a657065ceb3f0385a437ae8c76ac50c0367aa15967b8973cef6fd03ad04c024584b5818623659b1b241c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}