{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146186",
    "entityType": "User",
    "nonce": "0xfc997a5724ae38f351274be3808377bc18bc21e58dd2f7af6f0288523ddc282b",
    "signature": "0x95ccb074798d3d7070ad8dcd35a5c5274acf9e2b5a281f22a7ea8c6c99cefd03207c9b3b747bf561df1e52fe8427c38ccafe529a1ba89d4403cdd7c6d2c3c4711b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}