{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139859",
    "entityType": "User",
    "nonce": "0xe9d0e41969cff8c502d4262e09f489058aee4f9fe5c6dcf3112b74dbc3e6a81c",
    "signature": "0xa98c9143afe7b6858cd18460c983a37dc8550f4888567e64ffcc2469b56bb1ce66df712b342b245239fea14cb20587b08fd662146d346e1bf0c71246697fda0c1c",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}