{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x0b0071e110a7540b67cdc1696b42ee85405b451c25e03daf51f901a8551478f9",
    "signature": "0x2ef3968173f67165ecdfa7ec33211f9642ed19a376a726e50e78a0ee0c500a594f2594650e9b9d2d3036d9aa46aa37830d8dcee3763d15525634d86501b64a9d1b",
    "signer": "0x72B7d1ACc5f8913fC15485e04846eE94B1F116b9",
    "userId": "870280684"
  }
}