{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "666092734",
    "entityType": "User",
    "nonce": "0xd02e28d6e693348db94ded8d1ddbac0d6b324d9fa3c5be7f06a9bcd8b3e40853",
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    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}