{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367796",
    "entityType": "User",
    "nonce": "0xac880a83a301664c74001e6775779062212b7060d84dbbe4e07015bbab0e31d0",
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    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}