{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37080",
    "entityType": "User",
    "nonce": "0xd3d75d4d1618ca20fcfa8b3fd9d44821d2a611168373d1a7b203f267b9fd47d3",
    "signature": "0x9c1ddfd384c1325e492a30906d376a43903916fd8ef157fdf2f58ae7f59b2f22296e8a04dc47da95ecfcd506ac14336eab45f267ea77b5383beda5169859d7ba1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}