{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "258388",
    "entityType": "User",
    "nonce": "0xfcecb596fde48e65587112bb1985ab76f2a12f3c7ef6c40bcb589803efc5e9ea",
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    "signer": "0x1c4e2947b5F9FA4A927a23897193150631C1DA35",
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}