{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354535",
    "entityType": "User",
    "nonce": "0xc785cf9c28552100249387bbb7862133f7e3e4058c536918e939f22e6acc0551",
    "signature": "0x6ee87b0f00656730c6fbe659d3d76b4bd401cd7bca667581bd716b214a098daf35c305a7db7bf7d3d3e3d8bcde04fc76e91f526455f8c2b2babb1bfe8e1f10501c",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}