{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67616",
    "entityType": "User",
    "nonce": "0x62312f0761a3ddde754022b55cc45b6dcad96cea2c2f66136b633dad64f5d243",
    "signature": "0xc347a07bb16fd253e5cd8c29b2fd0ea8da3c61947b23cf2cc524b9dd93acae0a28b2550c653227dd178c5d041cf3dfb554ad10a733d7c346506086d09954e8f71c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}