{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175425",
    "entityType": "User",
    "nonce": "0x2247ba84a6a21ca18a8aec7eaacc9aa45caf0bb20787f0612a5f9792f6e1b4bf",
    "signature": "0xea9f7665478468ca8efa3c2397cc2ca36bdaef25d0eb58c46eab6b2ab77b010b34c756575d50277c74594f0c2d08ba175196685fc447c8d1152eae76d3856ea51c",
    "signer": "0x69d1592ed76BC3Cd9A2ed561f96E8Eed4AcAf835",
    "userId": "668195862"
  }
}