{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296379",
    "entityType": "User",
    "nonce": "0xaf0e4fa8c283671fb17f5d3e2dfb16a20eeae855976ea4963e54b09d0373cc24",
    "signature": "0xa4543025312a86c2e96b62d0d8f533743f6ba5efd120e3f9bd802cd768ab5d492ce4abc11e4d42657fcc7a583cc401fb359ad01dae2361b6eb1793fa7cf48a5b1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}