{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129217",
    "entityType": "User",
    "nonce": "0xe5274be86b4cd96dde5142ee32e05d2a54f7eb08cd639f092cf620d1f9907f41",
    "signature": "0x457d03792e0310b4705fee711d1162ee2168d425dcd3d8c100e92ed037656836534c7f624a63f85232bc51be24e725f038221c12f7a1aebb0fab35ae411269f01b",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}