{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76287",
    "entityType": "User",
    "nonce": "0x8596d4179db4a5f59545d35672dc177a624f32fd379f5bc413fff2a62b483908",
    "signature": "0x56cd99e0c39218c70b8527e984b6cc35db03af4fc0980b5202089ffe5e4b3f5967094054dbf9da3bb8ddec6ebc0cb35febbae239841d4576e28b7b6c0a1ba8261c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}