{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "947140631",
    "entityType": "User",
    "nonce": "0xe4af471b3f81d078b436529729aed1b852662007ab4686b4baba04c831497bd8",
    "signature": "0x7899c96a907d03e4ebc0f46ac510d36b5db3dc02dab1a1b0181be6cf75b947f269737a3619f3e085af4bbbf1832419f82f9080a543ef35f976330b3a537693271b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}