{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "326945",
    "entityType": "User",
    "nonce": "0x461f7b4f53d6de004366830288ade4c3366410225979ca5c9db515ab35eb6a47",
    "signature": "0x94a8dc911752d99d2624a3f9ac5fc6bef9cf8a980fa187a9dce25ebe97dca1f00bb420d5bd01976f0d0c1c12e6fcbec17351b2742432703b3823f7302a14c6271c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}