{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57434",
    "entityType": "User",
    "nonce": "0x931b74bc6edb01a489609240806fc26e2cb7eac6fb836993b1eeff115714e9e7",
    "signature": "0x5804a40291b694c1bb5a03f94656c9d5668708364cc28b03ac4c3fa8c003079d38cd0c2661953fd40d5ea024d13154bd800642f9cf9f046501465ccf959f26e11c",
    "signer": "0xcc8164Efbbe4ed123B8689622b411c154496e66b",
    "userId": "60031"
  }
}