{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152771",
    "entityType": "User",
    "nonce": "0x1aefe3d6a0dcd551a2e0911fad25272a842379ba4042835a004305d7446368e1",
    "signature": "0xa07d94a6e369de000a87b1b68a15d6f699a7f336f3ee24108daab020b97fe95c03fbef2153a0c48785f3ae5570a18f096a6632c13797421e99c855e5d36ecc4f1b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}