{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "786997870",
    "entityType": "User",
    "nonce": "0x4149982fb938cf85891b99790d6df9409a2ed63a411c0312c3908372a43a85f0",
    "signature": "0x95ed57cb9b47b2ce88c9078900792df132177b4b44566c4973bb0d063b8d88ba628abb4ac937c2e6ec3fbb216df98401b1118eecccaf55a017f4917e78f00c591b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}