{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdfc2322cf061c7bd72272ff76ef462291dbb9213e5da1c0d1ec9e1a080528263",
    "signature": "0xed1e013b576f8a20839aef569fea83483d88be11ca42a1a3a7c1d6812bccb6b759e503a6356e436271d22cba3f94ffab84e0ab8b123f0b4208c36f71e8ea26a41b",
    "signer": "0x98Ef036f2b048b8c548A6296E5Bb14C92eEF6843",
    "userId": "262256206"
  }
}