{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x6fd316afdae136bf39c38c39e063c280f5a1bf7ac7befb3e8357d88368b55075",
    "signature": "0xb74749fe96cf5b372a700ab85d371bf392adb392b3d63ac8c7e7aa54ce221af762e18443cabf69b7265d0697b5dc54294d6566d81b4c68758b6d9cfb8657edf11b",
    "signer": "0x89715A6F0c23C84cE71166083899D25bE26BfBC1",
    "userId": "952196459"
  }
}