{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xe9fd6a2f96f17c770155a42ca5840a428b9bb17d2601fa593faea6ccb6652313",
    "signature": "0xbf173bd21c44867948c2a4961ce3b1355079e189fdd089bfa0dcf493ae3d7c134afa6967ef46dfad68f0db84fb621b173a31ec8ed22c8f6a7499e40ab6010ace1c",
    "signer": "0x1b3E9Ea15dF71Ced48bA8E493c9BBBcBFa25823a",
    "userId": "913385866"
  }
}