{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39659",
    "entityType": "User",
    "nonce": "0x57c7e01b16497d98b88064d8733b71e5fd6b6dc9ed4a079ad6a8819ca0596bc4",
    "signature": "0xd5926174cc9b28c1d8fba547e57e7a3776b6181bacb000b3d1f9e7c20e2ec28f1c0909e349f93c048451d598324d8e67a89908134cc2824be301698ec4d990671c",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}