{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6278",
    "entityType": "User",
    "nonce": "0xb84c0cc45aa1b9a606fcd93deed178bc4af764ac85f18b58f8931ebfc079c4c5",
    "signature": "0x68c894a4232b8a12d46a7b4dbdfaf71a8e1200f9d99bb3b215a8ce66984a4fa96b7e3715a85dfe31d40456e5ad2af738edcf1b1cd3105439d9b13eafb53b699b1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}