{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170478",
    "entityType": "User",
    "nonce": "0x4a9e72aabb9681cc23ee4f0b90fc082e66a2f38f6ca90f6738d349c3c5aa1737",
    "signature": "0x4c5dea7bcc94282108fca2728eacb21003482b4c7ac00f8b52688c74ef8df2eb2d88a4d540dc95e7e5c0847da232cf166ad889e5092c5891691b83f9084082a51b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}