{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "218303021",
    "entityType": "User",
    "nonce": "0x93326cab7a9c0b50878ea343373a44a590c0cab40a9b93fb7609224fcc6f1b52",
    "signature": "0xf7ec048c11729023e1c3f27fc1e13a81f3305b01ca91cfcbf589230618fe0cbb20491abf56856b499896045ded8c761ca80f23241e2ddc15e96a4f10d4ad36241c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}