{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6527",
    "entityType": "User",
    "nonce": "0xdd864c93bb9d60818b54c5c57b1acdf0b841bc42553c0c9ec4090ced28ca8af9",
    "signature": "0xd289497d3d1fd08614db0d9eb942fbfc26f00bad184599b16c696c346a72e47d5a77b6d5ff4c96ce3b165858ddb09b67fadc446d60e6ee6c3c25c1f2f210ae571b",
    "signer": "0x5617e33979Af319eD3a9a6bFF820d69b7e8877a9",
    "userId": "171261"
  }
}