{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5307724",
    "entityType": "User",
    "nonce": "0x935ebecd1b3195a8e6219429813d378902a7ce1db97a260f9f0ae567a9019bdc",
    "signature": "0x1de45ba33e1573764a3f90c3079b2de6aad626cca689be83d7d49448337db1931106fe677c0d36ca9d664ecc55680a486eae72f7ed6740318d5f9a4683205cb61b",
    "signer": "0x52Cb4b468190D878a90e6d678064532b2405fBC6",
    "userId": "184931764"
  }
}