{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "133442",
    "entityType": "User",
    "nonce": "0x97040f33ebdcd28ba5ca9b09562d895be0c70ac8a5090e71251ea42dd7fb62f3",
    "signature": "0x4a67c385eb94b4088fcc528a48af99f0f2c5a7e617de262797cf383dfd66e2836aed930ef11fea7ba9a722cf8f2a6ac14fa29c218f5189404c79a611a4d12fbe1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}