{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1463955",
    "entityType": "User",
    "nonce": "0x57e88b8c2b775ca2aa981f66a99f510915573d520c457cc161c443041c3b0b2f",
    "signature": "0x6cd98bf82c5ddd54c1e08a5b9d6f7c30e2051da2c5c07e37be655d813e9892e80ad6b8bddb3c5deecd7416bfa5edfb35e1a0c60449cba46c569afc6563b4ec121c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}