{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325624",
    "entityType": "User",
    "nonce": "0xeda85ca219939d9a90103ae35afa271d49661e2099d926fe93bd6b727f1e24d6",
    "signature": "0xc7300a90ded74052979f41101d019fcad0fe4220b0eda3edbd5ae7de839d8dac228de63dfc294e95f63f55690d535708f7d759a4f06a6669e38eaa6f6af8ebb11c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}