{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0x5f84a88f27e75f04ef849af6d23c02d28b280fdb9f500cb8e29f22fb67532178",
    "signature": "0x023804663f913c05b626d02d773be9b56599b739742beb7bdc49a3dc451ecc422b0f6d53a87ecf30cd24dde261821f095c7784ba96952a7fb485d3c148616a501b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}