{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "441864256",
    "entityType": "User",
    "nonce": "0x58d07c5faab514cb2b49974fbbb931eb1578f76137954e7a5485ecfacd27b09b",
    "signature": "0x6975add12d77693252ae64931706750d9e7214c3cf9def9ffca00c9e23ccbef415033cd062b0e4b6c60bfd1859bd706d1fc5d118909d1f3e2bc6900d4649cb6f1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}