{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x9fcb5642748418953e596790c4d8b8e72203b538e8ef3a7d919561fba0b14c14",
    "signature": "0x4bbb89db652ff83217ff6e52a389b542f38be21029e84ece04e685a8057a6eb32a62b38c6b564d3b7799aed628d6b77de007cf4a812fa5119782e606544e610a1c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}