{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "979252490",
    "entityType": "User",
    "nonce": "0xf12b765b7fa42b1eb8dc8e8870309aea680d255b4929552346291152eb210f40",
    "signature": "0xc961fb19ee236b853919b7fe6dbf954de92b55287ddf89287eaf1cfd3034a38a27f57518b15c4dfb855aa3572c425f8e70e4adbef7b5bb47491156d92f62fd1c1c",
    "signer": "0x8b77d47DA28d313A2824468913d2f44F9a5B7b75",
    "userId": "808833626"
  }
}