{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "332532",
    "entityType": "User",
    "nonce": "0x34f74db2b8b4d6087fd38b5e10259876ca330a0b3f0b68e129aae28063b6a514",
    "signature": "0xa77e8bd4cd64346a745c88edf5461fb8498e25bb08fbf486e924d31e4ef504b628463d3884417cf81e154d45b47369ddf1d01512cdfaa6a54138846674480d951c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}