{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "527884233",
    "entityType": "User",
    "nonce": "0xa6965256e5c91592c44ad306068e685988e9d0bb84b14727d097e1268eb18b4b",
    "signature": "0x9c5d37b028fa34c940f0a6955d6093179da8b2e1e56b71e8c18eb1f3afdb3dd762cf2e2c86b9d36bbc78c0672f2319909d699403f67490c753ff213c57b9883d1c",
    "signer": "0x0E6Ef8dF2F401D8918d603B82ef321D94A721556",
    "userId": "648802251"
  }
}