{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10442404",
    "entityType": "User",
    "nonce": "0x32259e9eb8db1faf7b9750c2c5786432e6980954faea7c8557b9b73423505f9c",
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    "signer": "0x4611Dec6A3065fb4F7A23A8F14C1c300A8Eec7C6",
    "userId": "650714154"
  }
}