{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317847",
    "entityType": "User",
    "nonce": "0xf3342ddc36d1029c7b1d6b43e3247acc20c272f7e09749907ea2a1c9945d72c6",
    "signature": "0x3aa416d5aa2a00f6de41b64102fcf0bed11c5d14e73c956b27fa39bc37bfc3ed51d6f9cd7f38bfbb189d8316a3bbcf479b5b24a173c835dbd7acd45927d98ac31c",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}