{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35251",
    "entityType": "User",
    "nonce": "0x4b89e2d00be63c5cdaafdc175b83c723123af1aa8239b04e2555981c4b6a3567",
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    "signer": "0xB068F7E2879F1312ea84834c0ed8E2c74b776465",
    "userId": "134696"
  }
}