{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107617",
    "entityType": "User",
    "nonce": "0x028f1590c4d8e2554173ffc2ca9b96eb53e62e655caee986f1c653223bb418e1",
    "signature": "0x744e6a4b105fab4cc42fcdaa1b258f86344f6561c2e37a3b873dbc47272f89df5e770cb0595ad9430f47fa4b50800c3a18bd23a8bc096e2701406079d8d8f6441b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}