{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29056",
    "entityType": "User",
    "nonce": "0x3e12a9c50650ffe01435cadedfa8eb3ec443d3bd8ab1cf3fae6cda5fdf2da53c",
    "signature": "0x646aff90ecbff1c866241b0f7f373c98981dc3e07266a487c119706fbe2bf2b476e01635ed2594e5dd7c6d63df99498839239d0df4a4b0fd7c924522b426b8b21b",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}