{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "178398",
    "entityType": "User",
    "nonce": "0xa6adb8f66fccd7140bef406dbe30eb3914fff06f3d864cad4cf05ad9e0c832eb",
    "signature": "0x094a7886de3b9d58be8edf1770cd71b739904e9efc337a04ca0ac9960fbac8f11f0ae6b17114960480ad7819eb1686858f530e74c6a5585b93f21fc7baf6adb91c",
    "signer": "0xf75adc45948144ee7d18bD5B4AEf863989CB88E6",
    "userId": "798360139"
  }
}