{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1680179",
    "entityType": "User",
    "nonce": "0x277369a3e89bd93066dce5c294e3f11de51c9de1a3e081a47aa12f9d3b424943",
    "signature": "0x3b71db8fc152c862e9f3a8ce8215332fc696b60ff1452741088c424dc148a5f124e3321a51d574790267a94d694cde0010145384b30366483b7cb1baac1cd2881c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}