{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xfe644bc3132576c3b861f0402998d9d991a4a77ca938b8a087dab3a76f1889fe",
    "signature": "0x80e302922b7cd361d2b209bb1152a4ab93fa8459013dcc6a61f7979436575d0e5513215510c926102959a33bf9d1bb002f3cbed68f7446b2511ac486412b70011c",
    "signer": "0x1c4Ee34565eE3A8304706138026D7518821F356F",
    "userId": "584804802"
  }
}