{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "980027720",
    "entityType": "User",
    "nonce": "0x95fb30c8340fb27bd613592e6ef9bddbb9a64cd61fbe15116ad15164c6ce7fe4",
    "signature": "0x5e8ada2ae1627d1fc2a218c89fb026f06fdf5a80642f6b43edf7e25b0de4e9796a3d7acdd2e9ececd3af1bd17a7e3474cdfb926f59c0d2ee324f420e9ea4be351b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}