{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc8b3a0bba7005dc6ff12439723eb9b733c2d85c4eae7382399ae3d6bedf82c09",
    "signature": "0x23f8c06d94eb923d328aaf24c9845698cee40349a577acb203a9b38b4b705542620156b33f9f5041cea974536c06e89a349ef0633e452f486efc2f7eb47fa7311c",
    "signer": "0xBEdee6321408287569293D9Ef8Ad70772844FAE4",
    "userId": "880443075"
  }
}