{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "189474",
    "entityType": "User",
    "nonce": "0x662ab18c30f291cedf41a06827b1395d6a75900e22282f56e56e32f407868258",
    "signature": "0x1355b1f27eead49e9750b0fc3f4bc7dcfa3df085a3a06d55ac14b4598b60758c3ba229605fb4284f9c892ff43209b3f67ac3011b63503c1ff5ea5954bb458f7e1c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}