{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1454059",
    "entityType": "User",
    "nonce": "0x98b7d6385e0264121f4108accf91a4cabe0d185622d0690aa06e15adda34b26c",
    "signature": "0x36ee3ffb48120386d8d2795a71b3c9714bf7b80e90f769b346952b34ec7f763251c07ba37f56aed9aaff7a8234780390633f298fb15234da573ed6aea7e513871b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}