{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "260808",
    "entityType": "User",
    "nonce": "0x6b61ffea5ba3e2a4672adb9e7b4307140210ba95e0714a5418c1f02b9f9e052f",
    "signature": "0x661aca09e0b195e438f7f4c84a4f1906da358860f055e310269c249ebe4107707102889aa060839e1186e2f56611f220153566fc8fae86869db670b9806e937b1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}