{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35444",
    "entityType": "User",
    "nonce": "0x1fe2b3814f34a3e0c3644d72997165a662d4a78d9ea0b77e1a42397099b0cb96",
    "signature": "0x03619c447aeca4872f489984f511f4fc7038438f3ad58466a12e2fc89b0be30659557b2e4577a891e517733a645cc02820fe63ec767bd54527d238b1e6f2eb691c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}