{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77564",
    "entityType": "User",
    "nonce": "0xfb8ae2ffda39c32b7748ed46e32a99b5bb27f92196c64f6b8a5d12e4ecaeede9",
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    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}