{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd277cc83443b25e4bb3af5880b62bd13a0365c56a3ee4f60f6a82191f3c18063",
    "signature": "0xb0cc2ab2cdff0e810847be59c1f5fa396c9d3de3c1ecd99524d6186adc455aa84f14b3ebedf6cf5badd1b6c8b65a58c53cde5744254c05eead9001f24baba95f1c",
    "signer": "0x0685C899cfeB9E422D8455218d2B6e1DBb3E52a5",
    "userId": "589316260"
  }
}