{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "301356667",
    "entityType": "User",
    "nonce": "0x53a0133f9c4c7fd51ac7f789277edcab0905a718bc6e65225f6fca0e2eea6a09",
    "signature": "0x383d5df691c8905a5cdd61d164360f23ea512ba04adec9c6ce96b485ea5200822e3c798a09948f9c9bb09e245a7728d062d8f474c01dc74b85c483933cd382af1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}