{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "475900419",
    "entityType": "User",
    "nonce": "0x8c22aef55e93bbdf883074d3e8322aba234c5848ca9e32666c0b6348503b8ad0",
    "signature": "0x0244001373ab668d3c7895c4ee62e2465a013f1c0b76dc5911b77c9994fc307258cd72bd9c68312178f2d8a864b1140b4aa95d208454ae3d9df7ab2dc5f66dac1b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}