{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "149337",
    "entityType": "User",
    "nonce": "0xd17883b6bc548005e3b0f4173a82b1e1e1bfe383bd6a4a0c2351c311a1ae66c4",
    "signature": "0xb1dbbdd58e34746655160edfc92a8b7514d1ed5e8829b565cdbc509b1536a62878a6c29705cd062c6c4a782ce070b65fbfb8a39c7e915e7ab7c61511fdab90ae1b",
    "signer": "0x5823e56644991c5f5f29870830175996Edb011c0",
    "userId": "433764837"
  }
}