{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "389177",
    "entityType": "User",
    "nonce": "0x166d4a23429a4c2377f9190ad3a3e7ef774f3c4089338e749e937c4a78205d45",
    "signature": "0xcc82788bc45843548832b9305af3ce25a64accf92009a387d267840ba4a975057472304a02fded9e07a3485cc89e077070357659c46ee73f5a79464fef3a8a871c",
    "signer": "0xD9A81296607A057616D2BdFEAa51375208b7fbc3",
    "userId": "343798350"
  }
}