{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "987024554",
    "entityType": "User",
    "nonce": "0x8fca0f4626887205e63bc177dd82e8c25f3ee148a78d995ed8f63b64b36f861f",
    "signature": "0x6e687b6f345f8fdc2a55505f17cfbb04ef092f39930f0b1c6d19237bf28864f400aa851c2d567cd28e791b8c17b3c063dfebe5520980fdd9e3a6c3a7f04d210d1c",
    "signer": "0x98fC2b30E6e70e62dB2b5fAE7b0292DE3D4323Bf",
    "userId": "480962013"
  }
}