{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72937",
    "entityType": "User",
    "nonce": "0x462bfdd7930bac514561f66b92234dec619c0928b8e249cf2d18cdf025fcc69e",
    "signature": "0x3612ee3c6b6fb93c0ce112f76551919c54033ae644c38de5fce4dc7d82439a7715b84933007406f8bd6fdf2a8773e0a6936bfb69290a26095cf8ebc88d0638ae1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}