{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129358",
    "entityType": "User",
    "nonce": "0xf841d838277c3e8cbcf79050428d8c7c7f2df6edf9b999e7573e84fc5b001cca",
    "signature": "0xd07addfd9260f2c36b7d00ef6909436d15c44ca5b7c777d3d13cd7db87dc9296361c7b4ca42205172620eea4fc02c5ef044edf47616b6df2a520dcfaa041cf5d1b",
    "signer": "0x57B72EB07de2F234F10e779f1Ba99344cEa3B3A6",
    "userId": "873528115"
  }
}