{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x704fcc9ca6543fafeab66bab26f3d26634eec70f56e441bae92b1d21d5249bee",
    "signature": "0xebdfdc93c0f48f4ee8c03f4ddcfdd41a52cd1e0616c28dfeb32b4e0684279ceb1278282457d42a1fbfab856ce2c890e706c6e29133763e38e8081a14654c42381c",
    "signer": "0x361Ded0322F83c895c90f6c612286eCd1DA1C552",
    "userId": "124292049"
  }
}