{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61725",
    "entityType": "User",
    "nonce": "0x6fba64d5847e0e6b949d3f60c5fa671898638eda266beb19f274c19ce17c90b7",
    "signature": "0xcd451de43be2d084b5c07ee8141169db3d1deed73cbe0f943b700dd69697587c51b16640fa659b5158cecd8e34ecc45e89f9e3fe2579a9731dbf798a3e9cab731b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}