{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "284000",
    "entityType": "User",
    "nonce": "0x7f33b25b3f5cd070e05b7ef067714a2da9ab049e2b82e46a21dbabe5ade35bed",
    "signature": "0x8d9ad3f948ada09cfefa458e9d2c9df459478c5d13df242f3efc0d1462d753100f8af9594fdb0f1fbb82702af5c98c17bbb4fcbb4766a02461e0dc37298b9a9e1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}