{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119478",
    "entityType": "User",
    "nonce": "0xb271628bc1c3bcfc77c225babe0ca00fb6f706af93965498f3638be58191da4d",
    "signature": "0x726e4fd8e84d6b32535606400f5ff34e4b0a8ebf0030918d0dc31aec5353bc534e281250f5f20d20038b89c6b9ed143ae28b9cbf8a6ff452804d66b92e8b95391c",
    "signer": "0x009aa7b49eAF9a76b4b0e1D3C0ef92ba4e8ECEa4",
    "userId": "350390967"
  }
}