{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd926199cb9dbdeca085a01e85ea64408d05b0493ebb52ca56d747de3780ba466",
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    "signer": "0xB8F22136c1c7BB3Aaa948078983356F0684483DE",
    "userId": "62051572"
  }
}