{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2030662",
    "entityType": "User",
    "nonce": "0xce4712a86c1827c1871769e060ccccfd5b92a1540849456d9cbbfe6f37248254",
    "signature": "0x07fdf4286672322ebbc31a1e21e9d189933cf302b70581ddb45a487aedcb3d0d541704dd34027c52397a0fd04162376d5f1c9adc4a0f8282c4de7f9e01e6ffa01c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}