{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "383103",
    "entityType": "User",
    "nonce": "0xc08f92ae7df053c03f20ca2ff96c9f84f26653385b7596f70497391c98b4aa96",
    "signature": "0x39fbb5f7dcf8591eef9fbac107788b021e8f558efd9daee1864f7b54776614333ac1102f701af26a783b2e24992ea22129b51e7c4dc4bad007cad0d57f13020e1c",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}