{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xb7505316a74d3eaf71ec469112b0b64a0c257aa52ce429fc49a04c8cfeaab8f6",
    "signature": "0x1f8b83bbef5fa64e6a67ceb12e585fe12cce03c4a908bb622bc325d811fd09a0209fd12c1effcbac49ba175436c922a71e89e9efa73fcdf72f55a8afa21a309a1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}