{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x5aec015ccfb59baeced21d760d6e4e54880d0e341012539510df6d717eb76950",
    "signature": "0x9c1bc3e45c42bafbd8c27c9e7f740add9472c5da965f50d7bbfe1ca7a84c4a5b54bd4c33b2d35fba1d5fc2745f964ce157b9072b512761e75c285b8bbfb6e0e51c",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}