{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "345624",
    "entityType": "User",
    "nonce": "0x1a20572ea1bd2ae26942f9e57f828f106e6e82e26e522f5b37f2bf2c3cb87716",
    "signature": "0x60174e6c70d2658f669751a1cc4acfbc75356aaf57e4be73b047c9e74558fa6601de6e6f38823a3a9c72bebad25293f9819c0647ccf119e58ad299d92afdc4eb1b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}