{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329177",
    "entityType": "User",
    "nonce": "0x4382500a2f0756f922aa8c137d5abb55955f43ef4039fbc52ca321152ea7a703",
    "signature": "0xebedfa200f0b53f0c8cc07ba4909e502fabcddcd85d98bb4185ed7d0a6c878fa629001ebf228a982daeaf893f309d6d1370004401adc34105a32fb0c427eb13e1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}