{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xda3ed04af90603a064914d957ced3b204a8efe8f0361c4275ee246a941502cab",
    "signature": "0xb1f2b910319669fff62013f8508ae774e1bc2734a2f8e3f741dcc5fa116b96e67383e1f42c360c4f0028144c561d0512fb55402c1c3f2562ef62be199f67cca71b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}