{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "230894",
    "entityType": "User",
    "nonce": "0x7fa92ccd4c6584fd48c5737b0689ea9ad69324a215560523b32e42e961df3bcd",
    "signature": "0x5472fb3f62060b3847317f390dcdaa14ab1d461652078e8d727b098f24e567a7403c13aa63041e2d497e120f5a8f04bb4575fc5b04c939afd452884a954ff4ad1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}