{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127237",
    "entityType": "User",
    "nonce": "0xf3a998b0e69b6179d89270de16e929e8ec4b96b42d81de4ba0eda5e51f76acee",
    "signature": "0xf2109c762ae4f9a8b5a4e3574801e5583c4b1e615d2e5b024b7fb007a676afe64c949e45d30464371c13894c6b3d380e341ff81f8fb7c23ef13c286812a8c57e1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}