{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937107046",
    "entityType": "User",
    "nonce": "0x2ebbbf1aea95f3902e9c0eba00785810ffc944846105dd222017a5f8b820e4a5",
    "signature": "0xffe54dedf619d625ecfdc78403489dbefed4cac09e0a9d29a21b847e1b9cd26f45a656eeb6e484ca1cc836962b0aace131ac6149deb7b07cac4d999769c9a28d1c",
    "signer": "0xa43f9879a0D509ebd34F2A6bd14D7ac017e6a2e9",
    "userId": "177509319"
  }
}