{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x197fc6148c736102277df5a725121ee08cfba021084af21935f8b06cff043a41",
    "signature": "0x8adeb45f2db148b6566f8b25921a44d7fca54f986c71587989fb41266f8270e80f379ec2ce2cdd3b494dab0d648ea7ffa3b1c2df262823c0fb7f09fd235065e31c",
    "signer": "0x7D66EB5C62E56222e5A40F47f9190C62E1611CD9",
    "userId": "913116841"
  }
}