{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2009193",
    "entityType": "User",
    "nonce": "0xf1f394f35fc9a7f63e12cf45f321e613acfd0e59b1f85f787a01cab2fb22144a",
    "signature": "0xc0b0a1366e2982ea664739a53b1b48fd234ffeb514aac823ebc85fade843d5a34aef90d75420fbd79395a7165b5e2bfdcab977d63db8914c59114ffa9f18c4891c",
    "signer": "0x019c1Ea6f901A4f7AeAa1daD2842a34Fdf9A9FB2",
    "userId": "798348033"
  }
}