{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7469",
    "entityType": "User",
    "nonce": "0x318329a3a71cb0626fcbff686408023d14520abd3a31d81dbd105c10bf949bcd",
    "signature": "0x823fa03dbe98109333cb38f15490e733cb1e3ba433753d4154c23fb9aea1b88121778389c58211e5b7c4bd64a76d0403c1718cbea47f395d863cd9789ece76161b",
    "signer": "0x6C21Eb86A025E3C8C2e589Dccd23B0D6eB2E383b",
    "userId": "662754824"
  }
}