{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "933842159",
    "entityType": "User",
    "nonce": "0x31cb3e0bab53b2cef7e7114af4e147828eec7478636b0c1191f424a2c76cba40",
    "signature": "0x7be8308cff4a3367311794d9b22965f57351a6fb619d4ea3fe1d21f663300521500739f49b71b91a14d5791b856fb55107d5c23dab88ed8aaeaebf21ab4de1c01b",
    "signer": "0x0157D745aebb0AD9f297C69193065ce6fBB09853",
    "userId": "208486764"
  }
}