{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1521632",
    "entityType": "User",
    "nonce": "0xca4061b277985f1123547acf4d485de706fe87d54679ba8c15c02c343c3b0495",
    "signature": "0x93a4fc84624b94bc0f754ae21ac6f15270b796999b5ba55259665e3a6a816d2f368ebdd382bf34d46e4fd54457f81b5cfa7049f332603444e6b158e4040e2e7e1c",
    "signer": "0x6032376d65021b677C8f9F892b57304f0cA222D0",
    "userId": "386222147"
  }
}