{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "366179",
    "entityType": "User",
    "nonce": "0x2d663563e50e7a3a28caca236790b27533be2b8bde54bfb4873553a88006df92",
    "signature": "0xa58882efde39752ce72107835568999d0eb50975c6cd2ceb83613cac719e8e3e23cc6cf8a2d7c4ccd911d62a3795227d73790b1fc6d58abcb7c993cf94392d2e1c",
    "signer": "0x4f4C18220D065b5195F09E23993B70Faa751F0C0",
    "userId": "583021207"
  }
}