{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2691",
    "entityType": "User",
    "nonce": "0x9fd192d5ab5df836ad4a437175c4e2e7de4927164cfc1e9bcc34ee1958b0d667",
    "signature": "0x3ecc10ed97b45d7108a007dfb6ea7174043109352094c00b6d8bf766e6ad8eb13b598e9c0307e34116592cd3e3cbd5a672d67c2fd17c06c351c1f1d27c5c170e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}