{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0x615be8f06eeb9d712024112b624ad69aca348005057d3bc35b09ec358b1e84d1",
    "signature": "0xe8825a40a9134b35e5ae411cd567b83bd414d8da4cf7328f50ed046362cf69fa53e7b5445a0095f7de1927f07cdf49fd923db2f52dec2cc180e8fbf68d6eb8b31b",
    "signer": "0xe70262fceA7ac15aEce742465EB134d0435Eb0d4",
    "userId": "926812517"
  }
}