{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8811",
    "entityType": "User",
    "nonce": "0x98b05cee83fcd6b6d83d343acc2653452a190788c6737deb3b4c659c3507dbb7",
    "signature": "0x880654963d6f0c5bfcfac59d5545a1051b34942fce8207629205294ce6707c552ddfad5fcd1da70c7b04dcfbae75095c877379089131e801bf56aaf0d6df8d1b1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}