{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x55f8fccc574dfe75abec8e48f4cec34434a76a7bec88e3e45535d05ceb60ad1a",
    "signature": "0xc3f969877f6ce0d023934361c36e3ec9daa44842c93d588b35d51695b81fbc8f529436826955e5d757671eedd734a10b0538e20bd6e089f68d869a03b34ceaf51b",
    "signer": "0x569AD4a425B92a964d8e182094f4aC58C0673162",
    "userId": "577745560"
  }
}