{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1832431",
    "entityType": "User",
    "nonce": "0x718d00bf4cddcc1dc8d72a9c61fa8f77d9495d6501818da0ba40a89dca5b2379",
    "signature": "0x6104e6b13cbfba6b20aace759b19b4732bf223f2cb2aa2a4a4c114b78694c97d4e106fe3a5863dc3bd2365f470d83c0c48b8b44fa19639bd95737d2e0e2c1e161c",
    "signer": "0xdA708531501D4f46C162eDBca1D759CB6e7447c4",
    "userId": "985405611"
  }
}