{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "460147282",
    "entityType": "User",
    "nonce": "0x0f9fcaa2f3e8cabff95df44337d6171d44964e83371619a9ea52facb0d0cc9ba",
    "signature": "0x521903fb69145cbbc360ca37d18e299b07204e31955120742948c21a3cce345b2d41645b6a7532f3e325c034d6d8f7be1c51ea4762ef9be0b5043fa5b2f24d571c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}