{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4760",
    "entityType": "User",
    "nonce": "0x0f6d5d827419cf62b73bf7811a677a124676b2ae4b0e5c585528d6a69266d2e0",
    "signature": "0x61b078d72bd437ab4e08ea1a147a6788aec2b139c24318a5eeb2e83de610c244600dda806821f9df6aacac7743dab922ed0948d13ac53a14636be67e922f39181c",
    "signer": "0xdd5D8856cc04830658A172827fCaC1FC99243EbE",
    "userId": "587492476"
  }
}