{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "241856",
    "entityType": "User",
    "nonce": "0x37042d4565c9a327a40caebf4294a87dd9c4ef4fa04f78d3bef26b9d4bfdfe86",
    "signature": "0xeb1b64023ea038e23a03ba7f2410e8c6801f2b25bfa5b69c1307f56f40ce0d6f45c695cd32e4aab86563df2ebca6df083872c8768782d1261152730b70b2f41d1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}