{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0xc01ea877c2230d93406654c7c438d526166c5dd688aa157db8f5e5a1c59f54d7",
    "signature": "0xbf0bb41a38289b22ec59156645c51ef1a073110dd52060a1febf40ab0361c6bf4eacc10c353b8e9c6adb03b6bef96ca856bf0b80650ee5207fe4a09fcf27568b1b",
    "signer": "0x12302E88Cf971407d5bdd167b1AA2664556D3385",
    "userId": "68176371"
  }
}