{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "405466",
    "entityType": "User",
    "nonce": "0x93015c5f9194174272e36d957823254a16d23eedf180936ffa90593d05fbb1a1",
    "signature": "0xea4ebd18b80924d5dcc0087ebd513186f424fde072208d3fbd3a976b0e66148869e9ff78e8fa4914d23e35268efa162f922adbb80ffa89bbc4d83e6ec3f18ef21c",
    "signer": "0x9D77b14c2d2b283B548D3E693d8AcB5284e4bee1",
    "userId": "607561343"
  }
}