{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "267857902",
    "entityType": "User",
    "nonce": "0x857006b3995d83a37481db0bda55d6ee7893cf07c50c282330ee6fbb1be04b52",
    "signature": "0xe6091b26d159889fd3aae5de28046099db53a24444c6966762c934db6deb1e284eefa111e030383e7ca3f2262e6dcee84487d594f74951ead8594e030da6b5581c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}