{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xa433a90914c5aaa2a6006ede797f8b3fe3fde12300711a2f57598faf8a3d5610",
    "signature": "0xe1eed3be95bb817e845e51ed79ce360bf0ab3e4a9a0fa9dadd9cbbd08f7152a71705354262e879a47c175493e822eeac410d80b75e10e6daf46070f14043b5fe1b",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}