{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147345691",
    "entityType": "User",
    "nonce": "0x84ff6309ab133675fdbf7c758619eb578171ad0eef4b42ddb97019d5373247f7",
    "signature": "0x591b37a65e8d906a53314443ca6f6b0d2a93d212a4e9d37bc2034f0ffe992dfb781759297a1829084f8c7bc76d39cc4dd8fe49a2c0415b16e58b393a26e888fc1b",
    "signer": "0x102a924C1c076Dcb5816d20E32Dcb6F00e75F2C9",
    "userId": "485987672"
  }
}