{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74061",
    "entityType": "User",
    "nonce": "0x0242ac6134ef5e3a303dd2ed0838f77405252f5f89f4da782586ae1d32c51ec4",
    "signature": "0xfc9adea61e3f102eb4414229f072897312cda835e395709cfdf9b15a5404af650bd36c40a2ef544f435a434d71440d0ba5eac31b3ff41bbf74f4ca063da0511d1c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}