{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xc1ca1a62961659d380c4590cceb6d4b81e9362ef1f69155a50a9661c46294f09",
    "signature": "0x031a1357adbeb9aec5086ec65151ac78d56494c7e8cb4e35df234bbeb0c17f045d755cad5720489c50603fe13a2852c448e46c4de92dcf297755b9bf85a371e21c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}