{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67912",
    "entityType": "User",
    "nonce": "0xa83d5c8e7ad1895632c358325dab3a5c8c5217a445a872450529366086969aa0",
    "signature": "0x50fa303c48b94b01f538202043504ba5a82c9ece84a69b83fec1efee9ba98e753d88e015b8370d0bc0cbdd87d3d36480a6365a6cfd96641002417a2c226902001c",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}