{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "847980932",
    "entityType": "User",
    "nonce": "0xb15c2f66dca5bd2a23505a5d7aa117c257582e02e216090f747ec52ab52422ed",
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    "signer": "0xC223750Aa22edc9792fAA6F22e1f273F30790c45",
    "userId": "1413474"
  }
}