{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xd626c5a3fc24bc4fe924efb3f37007d503c5dfaf28ad17748d80ed20d2c9d123",
    "signature": "0x4f547c3b8ede391cbdc15093d0efacb0f58667defb8063b0a959061f500f7afe048e8af43400fae9c3825e0ec5bf17a847c8663e516a1394ad76dac421519c311b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}