{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148293",
    "entityType": "User",
    "nonce": "0x4f410ee4829349deb6e8b81dcce3f6574ab5eedf4a6e0543393c0ca734126e39",
    "signature": "0xa878fa2ead00bd8d51f748f18c04cc02ceb9853057a4b5dca165aa3dd2810c1c09e3ea84428dc72a11d957626ef8e3ea291da5caeac443bceb9d047541e47ec31c",
    "signer": "0xB2A34b43465721B690e6CbCfB42C0cdC30050183",
    "userId": "103086"
  }
}