{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11242",
    "entityType": "User",
    "nonce": "0x3259c3055290f76657c5fe428d3b0b1692ee1138a466ad3426582a9bc5f889ad",
    "signature": "0x647db312bdfd8b7870d0b22ec196536d28d954707ce78bda8e27fbfb380e8f8028aedf33caace366c3ffd59be382d50c1065c61c05c3a0d44456326b1da744591c",
    "signer": "0x3cBD459BDa3689391e5Ba5362C50E5a91971c959",
    "userId": "712641230"
  }
}