{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1471156",
    "entityType": "User",
    "nonce": "0x66165540f11d7d5867698aec40c17cb41467d8e88ae08df192322a3b925a3b72",
    "signature": "0x1a30691a625e9c75b3241d62de8b9a7aa1818dc9f68951389d486a0df370c9d134bb63a9c262a51df617fa8dd244a0a4984d0fe0c3c04eed19ca47396325a07c1c",
    "signer": "0x14FF2Ce3bf23AEeC9C140996251F6f85D8e99431",
    "userId": "53273933"
  }
}