{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x0857d29b01e95c93df069400146b87e076476569bb99cfd5d5cf32bc1d19d5d8",
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    "signer": "0xE893631A6A6dF46C216B7E099BDfDa00Af350467",
    "userId": "429830750"
  }
}