{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x8523cf4e14879f7fb171bb54e3276ffc3da14839266d05d2bb8ee3de10bb34ba",
    "signature": "0x97db3f398dde81a3b6ea801d25341aede42f6c4fb2c3343bf50791be640239801842f969e9a3414db858231b2cd13877018cbafdac800284ed28be68cb71502c1c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}