{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "697631179",
    "entityType": "User",
    "nonce": "0x4e20d53006a88e1d365168dcc2bcdbc6c22f854e1c1a7a0ab630f428e7964c78",
    "signature": "0xe9e48a39ed71410a0980bf896f258c283923756a7d7552118e197bf536919d9a59d6dc6db9a54c30b01dfc380065f5f97aaca463f05c3ef2b8c3768a3a48474d1c",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}