{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "290065",
    "entityType": "User",
    "nonce": "0x69cb179ea9ca9bb7e0b8f5db1fc0d9217d17d49076be418ef2f56cc012419d66",
    "signature": "0x9da6a682a41870ed60180b75512fe33c9051e2c458a62096d418e4899f2a432b1b44673dfa63f508abe0dcb452b003e867f54e1aee90967e368033940f59b3961c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}