{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94304",
    "entityType": "User",
    "nonce": "0x0f7e78a1cb95df25f99fa02dd7cb42d8d9791e87782aaba077b178804a263518",
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    "signer": "0xC90e14007305577f04e5F4f5542B2191bB2c7394",
    "userId": "1856608"
  }
}