{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104697249",
    "entityType": "User",
    "nonce": "0x5809a2efb61f9e4a64ed8611f746f6425dde4f487221bb80722759954f6de47e",
    "signature": "0x0124f02cf92d9fab54bc5e81c1ebf6031db1caf100327437de222b618b981b72703483886e577b8e2a4b2e7ff2608c49e2effa076150007f1dd13ccb6ef7a7f41b",
    "signer": "0xca9222f1aedE81bB652753be5E233B18473E61E5",
    "userId": "9780"
  }
}