{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57967",
    "entityType": "User",
    "nonce": "0x70ed9a1408c8c2f7b75e24b4ab4fecc9ed292d2c942ce4f8ff68ec727f877577",
    "signature": "0x4499c377b434a1a8d924a31db7b0c08e41dfb2c627ea9080325364ddeb3cfcc715a376f759cc522250f783760282671e078a4c445bf9bff5034a67f119af4a3e1b",
    "signer": "0xF40Be525727aa96Cf61609f0A493d9E677f73a33",
    "userId": "159460377"
  }
}