{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe36bf03d974991ebdc744766682f4b6f62446c2699c1c3a86151e3f2baf50956",
    "signature": "0x6a23e54809167d93602b1debc96db078d9dc1e8e5c74cc7ab88b1cec92a5f9b3264d7149691448bf43cd63820aa79b06392dd901d4ada53ae993edbf368cdbb91c",
    "signer": "0xEBBE44b94C00386BDdAf990DBE00c1B04a9FEF1C",
    "userId": "697295895"
  }
}