{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "162745",
    "entityType": "User",
    "nonce": "0xe3f08d9a1dfd1e13d8139197c241aca511bcbaf4126028816d3cc30710ded9a1",
    "signature": "0x07a47a75c8d382dcf4d9acec1f7564ed7872487b33f7739789deb1e1be3b9ce8747fb91712da085b369fa9cc1029c43b61b46a36b0c64f66b7ea1fc55af5dcd21c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}