{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "150631",
    "entityType": "User",
    "nonce": "0xdd2b00c2b91d75e3b54d03b7c7c34bbe68bed6ad41b2aefddd088c36e9828cbb",
    "signature": "0xcdcedc43fbbee0fe876a94273d8bef2e42f0abf838683a35a851942bd2fd2adb6550201989753fafcad1a09b1d31ee4249a6c5ab91c017c8f79c36d4a88f67661c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}