{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157507",
    "entityType": "User",
    "nonce": "0x584307133e394a87fe9db0cfbe66485403965979eb4d3ccce3aadc8b848f58b0",
    "signature": "0x451eb2f5367e1def653808a453cf1f5f75b6157fe313b73b9074ba0e0857850b007d8ca9ea212060ac871dbbc0820334807d4f49f0859aec4fcb70d1092c0f5f1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}