{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43786",
    "entityType": "User",
    "nonce": "0x0b0b3e7a478abb9f27179c56229e79ff0e6e813b5ab5ec74a9f77a628b9a05f0",
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    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}