{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134103",
    "entityType": "User",
    "nonce": "0xcaafa44cd7cdaf77d21a1356a3324424720e38c23c0c7b758b5fe69330579293",
    "signature": "0x15836f06b0f7db864952b7c64ac450650df1f470e7c9687424141b5e0811e37a7947b50702f23719dcb272113dc7c44ac7099e766aa7097e94683bf6a97e73931b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}