{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "727332",
    "entityType": "User",
    "nonce": "0x5bed9781e9ce2481985fb4ef12b44f8c704be3a6f0f5f4d7b28f81730e3dfa83",
    "signature": "0x0a86f6ba4ba50d8701637bf2308440b0b2f33dcba905ff958e49c480d61d02fe4a6c67efa8fe582730c66d065e0453d9bed7f306e85ff5215aa44dbaa062035b1c",
    "signer": "0x26b46547473Ba0Dc38d97A65153B8FAfB1A6cd81",
    "userId": "431544580"
  }
}