{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105879",
    "entityType": "User",
    "nonce": "0x47b2776b6b0118ddc17a91c4ab6b607266dbca60a9205d52bbb33c971dfb232d",
    "signature": "0x449c56edcc1f0e588d373fe27b50d5b0982f0b37ef03e4aa41079be491d0b8d7594968935eac9a22d1a86ff36d82b3f391b6865ba430b508bc4c34cb23c6721e1b",
    "signer": "0x9b1a9d02F213F5C768F11FC832194b5cB665E056",
    "userId": "418702748"
  }
}