{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3573264c8f191bd04e6af180d676bed80740e2f2b6604d3d671761b6f5cba4a6",
    "signature": "0xb862eef9ffe9b88f0325b2fba23315a1482fac451701e2f750e565a648ba269948bc6de148e51055d79d69d87ad4b87c7aa30237cc6a2834dce14dbae06f7e9a1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}