{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "341581",
    "entityType": "User",
    "nonce": "0x47d9c4b3f3685f7c48b153c13a9a2218448dde670c4e5ecdfd8d5f8451ea4f91",
    "signature": "0x065bf4c064066ca78134da91f9755381be069a9d45343377a238269b92c5d3f1499bfe933f8a8015373daad0ae492b27de44da01c7a64c6221ec985bdbe7457f1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}