{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "895497",
    "entityType": "User",
    "nonce": "0xa8c9a661860656283cb0f1b29d1249712380e741c70d45de8ce1830e8d4c791c",
    "signature": "0x4cd20de72c1b5159b6887dcdda6456dff3acb345cf5f9c0a0dc7b9f7bb895d07468ee987c4af92290de3727dba94c0935ba77105c93e53fbd77808405335cd441b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}