{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "309080",
    "entityType": "User",
    "nonce": "0x35766abd02d437163bd345d0df8b5d33b8be019d2a9fee057d418563e66527ca",
    "signature": "0x4dd18147629a077c47140b3134a87ac440053a5973766fe94eb71bc3519b34611fb427af82f8701f8239e4fe73afa2c0f878be3efc2cf513ba591c2db27e408e1b",
    "signer": "0x1D0c500EC847246923045cB0a285242A93723f30",
    "userId": "302385956"
  }
}