{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "269130116",
    "entityType": "User",
    "nonce": "0xcfe22a963447c59bc8cf3adf389121bdd13604bd0c5fbd8732309e751dd96405",
    "signature": "0xe6faf977adf9b32cd7618592ee6599ad780ae9a0b4208ad6817843e31f0ddcb8617317a453d6034f18391f79455801f8370a97fd25a559462592dfd8e31b901e1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}