{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329101",
    "entityType": "User",
    "nonce": "0x48156ada25c08f2bddd5c31bedba42573ef1a361e7690c530cf16ade9e542e65",
    "signature": "0x0c6ddcc3bf09639341d057c1b2cc4ca140d7a5319a7d54b4b12cf7678f1218b50087c611f15bef1bf634bab8d440dc2f4723b379da7d4b4de988fe3bce311cc41c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}