{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967906892",
    "entityType": "User",
    "nonce": "0x597f8e413c0da268bb2a01333a2ece310578f0fa6f13a9f17313b0a75c1fbcd0",
    "signature": "0xac6ecc597adc03066adbd71c2dfca37b5885486cd19e889de0ae97fedc56fb996f2bcbbccbe7ea6791db602a64543a5811428cd863fc043c86ee7f70e0f989011c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}