{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "84889",
    "entityType": "User",
    "nonce": "0x48756e3a553e94585bfcdd8709401c83f2cf72d4325ce5f29f073090250cc492",
    "signature": "0x3e71798a5fcbe0c41cd117f27c62095b1f0c14292fed186db874bd474f4fb30a7356154d6fbe1bfd69179343e44728b46237b16970cdf15720699184674c4e881b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}