{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297189336",
    "entityType": "User",
    "nonce": "0x0cea49e78d1149905c33f0b4eb2a309e90bfcf4a0533ea68e4ff2ebe734fde80",
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    "signer": "0x86639c74AAE287A0Af407ED9C633ba9D83645A84",
    "userId": "794995504"
  }
}