{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5307724",
    "entityType": "User",
    "nonce": "0x2e3f93253039ab145e4355bc343ac44a8a7493d5aeae7425f7af62adc770bf5f",
    "signature": "0x3b9cc3a12df94a8326d46b64c447baf4e2674e619ab29a3ee8e8bd7ab58409d268f47cca455438e1f105fd438af608d62027d44e11565c4c797bddf9a9f24e441c",
    "signer": "0x134f5c1f8716402474824c6A0AE855af1E3053eB",
    "userId": "462352719"
  }
}