{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325172820",
    "entityType": "User",
    "nonce": "0xfbee37d98e5d7b05b1a555fec2544f0b263aab3daf5f262925d2d69dd00ab269",
    "signature": "0x1801f9ddf6d2acb8f6e58844bfde9d5326e9a4a15bb57d61be6468ceaee9985a04ed860f2e9ed8119cf623808423fc5ce5b5963d72126978d16c97c76e7f8d651b",
    "signer": "0x593095CdF6998387B0c1bd237B5e2e1f5022C99a",
    "userId": "77401"
  }
}