{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "924076706",
    "entityType": "User",
    "nonce": "0x1cf443aec322607b46c96964eb31162674bc0f1f59b5f5f5ea5d64d2fdd0970a",
    "signature": "0x0bd738a083f1bc56d9da70a14827a7a541fcb037cd1ee84a4bcbd4ffd224342b5005d606e6115c7397f1753321bcfec3a83b7eed5ecd7262bab7111470b05b911c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}