{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64159186",
    "entityType": "User",
    "nonce": "0xcea6afbce64f8a2b090ba0542945dd0070659db85e238a1f8d0feffffddb088c",
    "signature": "0x36f09af6b672465e36d2d80310e672e9218a53ca889cbe5080a14cc8e01708c5111e2fd9ae796486d291c1a670769eac8170710eb7b7172b255ba8b9c592397d1c",
    "signer": "0xBD51Dde1A079aEe2ff22725423F277B763a3E9eC",
    "userId": "416306987"
  }
}