{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175425",
    "entityType": "User",
    "nonce": "0x12831189c821fce835d001075ef2dfd59b90814590614df02e08dbd509998181",
    "signature": "0xde76d1aa8f979557bbf505492077344e59a53bf61a4139c1af0d4c53b977d4773acd6d42c580c986df58552fef6beda3215a870fec3cc4ae4a06398c3f14d7651b",
    "signer": "0xdA4448A94942BB1d74B134dAe4e71F0A65E8a180",
    "userId": "669480134"
  }
}