{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfb1d3f0b44ecba8f053c2326c32c58d5a1576a172ee4ff1d68d51a68e428c813",
    "signature": "0x36bddde550bdb777f4ab630ea5cd154fd5bd8464416b5f48e3e98bdf689206db421bffc338cf71501c6681385fa160bf0aeb5cc1ca137f92888bd1e9d3936e0d1b",
    "signer": "0x7e1632c8Ac2430F494d41DEEb842Ef79271d9576",
    "userId": "944718862"
  }
}