{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2adf28fbb2418641a57c2033359b180412fffb094d3cd56e96f674fb9e50f62e",
    "signature": "0xa79beae1c7f1b09faa321501d9851215bbc7c762c56fe29279d6d063e92cedfe560dafa4e636b3027772b1bd76e9ef822b3ba34bc0fe6b69eb569d6989e8e7e31b",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}