{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49995",
    "entityType": "User",
    "nonce": "0xf5c141e4231c80c43627c39e3f02fa4730fd84a13658d0ae2472c8e332c59ee9",
    "signature": "0x02229801783eaae369fa94beacb0981992306eeb31d847396502fc53951536a328af3722f3f397ac4706272d57588bc9c67c4f9bb61a25f217bd2e745e165e2f1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}