{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144203",
    "entityType": "User",
    "nonce": "0x4be19b63e4d841626d07c8d0868f35d3767ecad148910f404547a795d4935150",
    "signature": "0x1a774e64486c22c9217f96560959a8edcdc44316dc275062c6ad103575bb4a2b0616c3915aa1f1b49e5908bdd2ffcc0c8253e951148f32b4db04710b12e82a411b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}