{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x2cb3cceb9537edbe33c34028fb990f7c9ee56a4de58a5129f4eefcbb86a0d13c",
    "signature": "0x8d9a569d09ccde2ed3e547f961a05d383d799b7ed6762bb78560c8a469e0ef734a06a3baef0dab24897faa979584792e5afac75220848b1482769e8eea89809c1c",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}