{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318",
    "entityType": "User",
    "nonce": "0x31998d4541be0e66e22aad8a487938f49e6ed8c43d12ee854c31286875546035",
    "signature": "0x56087a2f0b707f1ab97b644b75ca14617ce75b470dd69adf45af34bc5ea53626322e5341353ed887de39051a0113b9acc1c91a59e68a2ec43554d3b8f28f78c91c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}