{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112013",
    "entityType": "User",
    "nonce": "0x1bcc2811c08f3ac250f65e019366f245995b7985673db41421c6c6931bcb61b0",
    "signature": "0xff66bc9d620805411632b2506822f32480970ab8212b86a0bc0f191301458fe50a498af1f70648a01a3a6b10a3efbaa380cb55541b761d2b2dc75d6dd632246a1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}