{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48341",
    "entityType": "User",
    "nonce": "0x411dcee45c278426b2f6ac85bd97649f227142b555238e402fa407baa8f91935",
    "signature": "0x33076b22443e0b47d445d4b405c5e6ec356ab9a96e4b51f67c9ab4e33bc3652a2ef5520b1be10427110321c974581b60284ae0f24462f4c0fddc76b3d7c90f611c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}