{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55234",
    "entityType": "User",
    "nonce": "0x4a8dde9496d174615765b4c99c92f95d2c799c57419e6f1c23d612a122cb994b",
    "signature": "0xb791a619ef788c345bb787ca181b235c933178d1f562e2816b7f9328cbb53b3a7a10f894cc03ca17e12773a4bafcdda9e539eb13de8c0140a25719f5e13b25411b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}