{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4760",
    "entityType": "User",
    "nonce": "0x14c75688cc42405b910a71250f0ad5a621d07547e00d2350353e5dc866fdeacd",
    "signature": "0xa45110d33cd5def71f5d55b014f58af70fe81ac7e083b47c49aef171d48ed9286cd3ed461c106260512cd53fccc7314025a203f6ed1543da7b589dd31dbd13651c",
    "signer": "0x1080460F21DCc82D7160d2C77DaAb22a92c4dD22",
    "userId": "162106877"
  }
}