{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18168",
    "entityType": "User",
    "nonce": "0x868f86a15984e252c55df4982d2b908a1208f35e8605a850cbdbf57af1b9377c",
    "signature": "0x62154a54c3568ab38b619a2d1b5571837b7b951063cc3024ad92c4111e600dca77b4b86208777af6888ff7774ea0dc2c0e700558d23bd441671a91f5a4f58b3a1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}