{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "151038",
    "entityType": "User",
    "nonce": "0xd7d55fd9bb821605c066ce5549bebbf188a4dab472f6b386b60feac6f4af8505",
    "signature": "0xf9e23f4ef17d8cbcd30f602a8bb48b84d6a5c4793fa618903fe469d30f4e966721bfbce7a2860eece987748b1ce080face4c5a8a52b7532c0046122fc96a295d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}