{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x5bb9f78342266ec6b984852a531670a21150763ec197a1eee50382df17c48473",
    "signature": "0x1e9f41f8789b77a80df0523ee52733323a1a684ad2903692761f30d6ad41bdef36da63a549be8e71601b65cf8fdeba23dd518a415924a5a8a1a6c49048efe5551c",
    "signer": "0x6268f3F36E0fe8D3E139bC6d32d7539887721848",
    "userId": "418312750"
  }
}