{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5770",
    "entityType": "User",
    "nonce": "0xaa11d3b0cefcd48e5b78bc635f45c58423961721068ae2c43d00d0ed14df6cbf",
    "signature": "0x930c0d6a1f3d2ba2fd0d07d8066e32b23a5634b7c4c2ee4580dde4b879040437723d5325c648fdc593801ca50f19eef660677f7ca4ca8fa1ea3d886ea8b5b3071c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}