{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "177152",
    "entityType": "User",
    "nonce": "0x60e0d67a3b4c4cf854ee95d0516cddd3856bc7cd40b5399d1af06e4a029a77de",
    "signature": "0x6351d8beedf4f69173f2625d56071d86a8564a8590b853f4ad226a4d8f35419114b3c77c185b3f45a8196676c8c735f762f3a6a2329a726ed8b4675d739115251c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}