{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "372886",
    "entityType": "User",
    "nonce": "0x8f1775a1da79202c5b90f1bfd4419b13ffb9648cb619e627fac17eb54a8c65e6",
    "signature": "0xea24b923934fba8f7fff4fcfec2e688a21bec4b8571b3eefebe58895253e456a208e723fae79776808d02a96a3c6c794e13056c2a4ce281adbb9959e3b8660291b",
    "signer": "0x3e16afFf69eC32202c1B755Ad919C7aA325B7aBE",
    "userId": "902811065"
  }
}