{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4cfa5b04253a3e74578b857fd3a1c85117682d699af705474b19dc2e6f061658",
    "signature": "0x23bf332623a0d4ac47cee8ead479ac185f9858ee2d3be27aff071e32ec7dce5e6650637162b1eb001c40b5fb3b6854a9f5e5376862c932e3a6c5e4fb2066af6d1b",
    "signer": "0x7f789C84726B83D2E72dA064Fe6fdb64ecF59F85",
    "userId": "333400167"
  }
}