{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "172280",
    "entityType": "User",
    "nonce": "0x7ec8b58907426882409ba63efbcc74d5df4d13a04134d4c7e8627a41d9ae78e0",
    "signature": "0x5ac9959d1ad67254903fc7e4b7e810ac3060c1b4e63a710a9bcd20f4f2d703a50292b1deda1912ffb973af08a26eddf6c9603a8ea392c7d9f9d5c361657fe10f1c",
    "signer": "0x62B225252b0b7b2708Ba325A70401F66d02331A1",
    "userId": "942799090"
  }
}