{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89625",
    "entityType": "User",
    "nonce": "0xbd0cd7dc53d7350d59407472a7dc1eee64887799f4b32ceec45b0bf002d71564",
    "signature": "0xec243a9bb7f3d257ad99c78ad1327752d758d049334a1ada7c6fb716d393639b10887559be4269722cdba0cbe2e2cc449060cd7e5b061a4284b5bca96f4cceaf1b",
    "signer": "0x0a5148A3f132E6696c1Cd3FDA8465fC5fF17d3D2",
    "userId": "803288761"
  }
}