{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4ba49ae88a8a2ec7cc0d04a4b719c8ecff218586ee20b60d6908c07f3e19485a",
    "signature": "0xc3033d7a88b991682e088cdcb9280e96821683a47cda78501e36f62edcbd401b4cc8a90be621e9ef08265f6b4bc745e770d16ee4a6bb9b237eebf8f2b23b18d41c",
    "signer": "0x633d9F446E645E4a4Da529CB996A34Fc6599F64A",
    "userId": "366722698"
  }
}