{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "737161",
    "entityType": "User",
    "nonce": "0xdcc59540a62be794c43cabe2d2c852bb77c3fe116cd0b6e8a44d380946fd4d6d",
    "signature": "0x7fe80039808fa02c2febf3aa12b9c860fcb411a631adb15be94f7e31311b3ccf2d48eb6f6641f2872ddafc6abc949cfad52a2405c9830917a3c363347efbbeec1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}