{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "36124",
    "entityType": "User",
    "nonce": "0x16a46ef0371aa2f10c53fa39f0293be1531585cb9218625507e8bdf7c320acc8",
    "signature": "0xcfd9c8b682db91f005358cc02baf017bb25a0de9c0bb8aec3d993ca70263f9d212985ce64e3ef9f2ed5d70d9da5317ba4a474cbdfc1369410d9689ae20d118021b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}