{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x368fe08af9a37e53c70af55f8bb3d937efe0974ff0220a48e4b7d2d8f1ea86e2",
    "signature": "0x764682eed4e1ad285f4abd6f8f679947859dd53669623add59181b8638b2efb817b301365694300140082452df558432f9ecf7444ac310f6e9d92a6c5e148a551c",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}