{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "984259712",
    "entityType": "User",
    "nonce": "0x23c4963d0d0f1cfd57502b86b3a128764b37dbe446f99b33206b5d0947415e34",
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    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}