{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12634",
    "entityType": "User",
    "nonce": "0x773692c29ea43cf58af51330b313faf74a21c24e0a84c48d389de40a9a61f119",
    "signature": "0x9ac6a91689842aac66915d6f4f29c5d3370c7be1a8a30b8987740635f874cbc022dac0ba245578527327771d648d6dc78630b2d12de7dc4fb33da265a177443b1c",
    "signer": "0x5abad058d33E1C0C0A69d85BA3181678C1721765",
    "userId": "632918751"
  }
}