{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50264",
    "entityType": "User",
    "nonce": "0x7b904fb796968bcd1edb90912f135d2f17a7e50d2f3866b0e10da0d282ae4a62",
    "signature": "0xe59b33bff0dd920fee845435de9535a42bf8818786613ca561887d7ace35c95344d5b34827b54681a66894df030ad4e7be7a06297a3baf52291658ede5d6658a1b",
    "signer": "0x154E4e55168D002d601a8d426106Aac811b5c3D8",
    "userId": "184518491"
  }
}