{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xf7ff8b9d45477fb8836b68dd8c9512c868f867e1650c7f2287e629365c2563be",
    "signature": "0x79f62b340e1b489763c204814b0842ea0c6518e44a1dbfa13c038585da0d60b073c5f1dca670edb9347c1ee9c2f46d2ba0e4d0f6d34628b9fedf99f32ccc9ff11c",
    "signer": "0x852FDa0c130c951EDaE841AE4bc41ec03BB55D5D",
    "userId": "709857362"
  }
}