{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "632918751",
    "entityType": "User",
    "nonce": "0x711f5e6a1075dc2682230b30d8c22a395b570d4b8df210efbcb838a9ad992b02",
    "signature": "0x052a5d5c9be7e8fa04f38170ae41eaf75fe3407ea6424dc9336b3664babb82d3507d24f23f94115361b943402339b447178d79ea045261a79ed6d90ac9e4f50c1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}