{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137691",
    "entityType": "User",
    "nonce": "0xadea1efbe4c578852e9cb3b9733756fc8758d55a2f2fec25e5f62bfe34f1c0c0",
    "signature": "0xc7deff7566697d562b0e4a68fa4adafc660ca3b1767779b3c0961048ab02313156f532c807c31e046b1900c38d7a73eaf2325c2da7c355db8cf71d7b373658411b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}