{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44286",
    "entityType": "User",
    "nonce": "0x571503f30aa023975d9b2e55a97e5346f4657a255866b24ec146a6c71ad30407",
    "signature": "0x9820d067ed10ae617f325caae3ddd3dc091369aea3be066e06bb5b99964aa9585ecd4291bfbdcd08ffd2819b0d5542c84ed5b23c288eaeb7b4ab33cf22a96d761c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}