{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x59dc2e11127f6789f165a62014113922cc3ce20f0c9ae50b30b3c250da67f5c1",
    "signature": "0xebe9469a1e0ba6b704b9fee5898d05be2256db6d1bf8838f0fea18084a84ba87605f2560ddb646def35879c9074a91ea0674f439562def90a30bece4bc3941a31c",
    "signer": "0x53d216C674F2a330cE48F25b556d4339bcf6515c",
    "userId": "448697058"
  }
}