{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "385781",
    "entityType": "User",
    "nonce": "0x632a6bac9db89ac8478f06a6183feddd6949b0ec6fb08c942fa746d9a0429828",
    "signature": "0x6f6445abd6249abcf4ddc272d1b939bd7cfe2d10647e1a2353553c3d1318e16c720bf3e104151ced1995d333bfca654b0d6c36129979f12c24495aff960b58151c",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}