{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222753",
    "entityType": "User",
    "nonce": "0xc3cf7e62da990d58e9e6caaa730bd3e0957045d982e70671c547f3c457b39152",
    "signature": "0x8dfe56bb3bfd61f166048547c53e7bb71ff3852fd52c857a32fd43c13201223a09f8b9ce122769f39aaeb650cf4ec9474cd484694c4100d657e43386cf4e041d1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}