{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "985168351",
    "entityType": "User",
    "nonce": "0x4df2a9ef2f6941622d689a4dd6ae672034501fad13f9c23f64aba1c9e3d4446e",
    "signature": "0x2f2170579b7ac765caed7ffe4180e621f45fa82cae456df043cf31663b26b325586ed92c97925254a5ce4479e44ba271dd6525ca6fb749e6b5276fc6112741d71b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}