{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25345",
    "entityType": "User",
    "nonce": "0x78c2f9177062d48ff4bc0bdb61b9a4adc94bac0020b38d9b408e2c8d4e787b59",
    "signature": "0x04b015a3461d79bca5d21ce1f9995f38b96aba8f87d1544c269136fa04e7a2ee2b3c5649a12fad6fd40c4f25d0c812ce2c7918090c8946ad7ffd5fed023468911c",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}