{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "162106877",
    "entityType": "User",
    "nonce": "0x9f92f36d0c5e1bcb9f5c7905bb014412fa3217e3111522c5793df3f76acb004c",
    "signature": "0x573817b5582ea4245c4bec63212b35523a3a69b8a49011f49ac0b301f5b81c696f28700182ab3f918eae36c86d3bedfcc161514b46ca8c01926aa58838dfd46a1b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}