{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdbafff62fa9de8df55f63a8fda8f84bbe902205a5cd3194b47d0f3d1252d577d",
    "signature": "0x70323c7a73f1ad4466d30eda27a393228b5dcc49036d3d5c7a5a31eb8d5aed4802e568aabc242fb2e8b1366852ea2e8ee4857fc0bcbf896c498476bca58a40831c",
    "signer": "0x71A1c2456953F42897feC64E0749062570eBBAce",
    "userId": "411601754"
  }
}