{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "994758391",
    "entityType": "User",
    "nonce": "0x0a0a8456a826521c3de66043d65fac314a7aaef32cbf5c0f70035b424e0d65a9",
    "signature": "0xabb9b61d7b9ab2ca35160acbb0d70026973656e6bb8069e0b054b2221543012438499396ee0bf6590edd6fb65d0d3017a444be9a5f3d5336f84c2cb3ea0e80391b",
    "signer": "0xcc9cCc523005B394381478381D34DddB8558A28f",
    "userId": "957873025"
  }
}