{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "328915105",
    "entityType": "User",
    "nonce": "0x6628c61275aa6332b67a1d2578c4c320d6db7c53c1e95a47f6fa0155331100d9",
    "signature": "0x24167a9b6038d42605913118a2d6beb17bf6c2606934954d1a8f96c36dbe65c0323a50029506119ebef4d63418e96a296ce1eee5bd6bc2b80d02ac3241697ef21c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}