{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40986354",
    "entityType": "User",
    "nonce": "0x50c49ec7297e8d281314549a4b5478ca768daca7a562ef2bf6001fa72ed172ed",
    "signature": "0x4a0b68faa70cd2fd15ad68068129b8bda1ad01abe1d90cfbbf81c0fc40d3ffcf46459c7f78ac932add31af54b8d03e0552797ff9f649f7a03674381aad96c7681c",
    "signer": "0x61aC959C6029A2Cba66cD6B9AD35c9d7120DC52c",
    "userId": "429744815"
  }
}