{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70029",
    "entityType": "User",
    "nonce": "0x33e833236e923f090d7a3f125db295996204f2ff103e22ff02bd723c71db448e",
    "signature": "0xaa8c8e855bed017f8000b96eed7b9800bdf800747a86ba2cd6f5bd928768134e5575409859f55605471d705a84ead9c54018da050af57eb91e231379d5fadc131c",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}