{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18034",
    "entityType": "User",
    "nonce": "0xa8a81dcfb0b3d183f246a81f95f50bf5f2794493fa7382346605a914b00c490d",
    "signature": "0xaa5644f0f934cb8de1272568b4f471743b7d3a2bfac32ed8941607e3a77f13f06e8c14774be77e4b867d6c24d8ac7d2c3edc6d14d2df35c76903fc7dac766c9f1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}