{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "156906",
    "entityType": "User",
    "nonce": "0xdf8638392136a0856dc8e7354d774ecb52d2dedcd04e03ed19ea952786896394",
    "signature": "0xc52687edf23e036c12b50bcddcad51ab54eb318e160045467c0f6c1e392449450eb8b49cbaef6293cce775aafa9d50824001c839283a122fffa61d128903d5661c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}