{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xaa7f99e0c9b9f1ea1dcee123b5dc4bf11aebbb98bffe332b44b1bba9d926e6fd",
    "signature": "0x4b6194ea1332fc10ac9f02b2ecce826305909eff118211b4934e936428e9c6ff43ff73abb3e1a364705457afcda12bbc50c3ea153a08bf567fd3673e72755c6f1b",
    "signer": "0x515a3648a035Eb9Cec60Cf6F10D7d45D40f415fb",
    "userId": "70052370"
  }
}