{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x24ad0e8e4c6f066ff151b964b3d4719bae1e6eb95670817498cc6c01c8ce882b",
    "signature": "0xb7d238f3e04e640cde8726afd7657741ed3f755fdd37b713e8c602dd6198da0b4ea971b2ade2fff60b3e7fb0666c9e2393be311d6c0024ec90320667b55e93ed1b",
    "signer": "0x50f6CF4Abb23DF8B26e12391A5C15e82F15d7Cc0",
    "userId": "644846042"
  }
}