{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78906",
    "entityType": "User",
    "nonce": "0x5ab55799b1bd9949d7e78f9ca37db4e22de6dd7f3da8bc889c8c09bef65507c5",
    "signature": "0xdca6ebf091fd2ac22e224841cb80d73061806f5d6f244c79fc17820b983ab1bc53eaf7f475dadef599af56b84dee1ffa4c2c93a6f000cc23032e02134d18b0841c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}