{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0x6aa30518b35829e2d7f089a231d5a10a7e687c9d41b99a8c5ef3d00b681ab832",
    "signature": "0x133796349bd8159183d5c03c1296d129ea6ddf1d085aba7ca00021f684bd84695cd2787eed8eef402c6b7ec3f581c9625b683f1f92ef2e47c6a43238f15389411b",
    "signer": "0x2B55aCd5bD82288aA03B582D71F4859c9748e5F0",
    "userId": "832437194"
  }
}