{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "348254",
    "entityType": "User",
    "nonce": "0xdd90eec671a821def2386e650fc6e4a94c3ec5dd2789599c997a37c8739629f6",
    "signature": "0x9fabea8958a6df500161345f72baebde4ade372e5f9d727d9e6c8c42de445f480028bf77cbfee31915c88613c071530a82cf6e2c68534c5f129a5eb002610a5e1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}