{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x950fc32b63a95f1da8263fb757b545113f789bb667fd10d47b213ba2d8ab1c01",
    "signature": "0x7960d214c74bee89e8a940af5fe802968612369d3a44c00bb7061a19576f819a0a1c9a7ce6195e4b982fec370aa5f23ca0f74d4a0bc126cac284ade2671c541d1c",
    "signer": "0x52C54744FeC93B156A460Db7FccF10e22b6FEdf0",
    "userId": "194963084"
  }
}