{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325624",
    "entityType": "User",
    "nonce": "0xea485490f66bbd3c41bb864b51940b85cb288d9ce1fa2b583d3c01e66a81d460",
    "signature": "0x747aa7f4cebd9e5c2c27b0af4a01685ca24a05fd6d8d9d53b04bdd64e5c8545117fb59845ec63d8c581e4f595651e004891472485b2b2361f237ebfec8e7dda11c",
    "signer": "0x1E05b344e405fBE00fbB8344b72Ae1F9458B802A",
    "userId": "353199189"
  }
}