{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319704",
    "entityType": "User",
    "nonce": "0x589f593249e7d31a229ebcdab93569e88d66cea27caf2d8026cba76ac0899859",
    "signature": "0x119c756eaddc5c1b496ec5da116d636ec93f9645fce376dc104011b6a43731cb55c7ff68e6a6a0c3aa9f93e05b34fd67792e6eb7038e19f3f2a1d4d5344c28e21b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}