{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "172280",
    "entityType": "User",
    "nonce": "0xae56c4c02b8a4ccc54fc553df1d88b834a67cd0a45ea1e6b7d5c86397d339c3c",
    "signature": "0x7ab4a711f36f410accb642d93fa49f6f3ec00f1caf17944cc661c2b0d4150f821ab8d0a77840526556db92b7913c9430be05e17259d7240471e0456495965e681c",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}