{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71507",
    "entityType": "User",
    "nonce": "0x769b32937429d2757d8b62513c64ec3c4e99e72f8a4a1bc0897ee28c3c383ec6",
    "signature": "0x6b7a2961255dad69e96339930af10bcb45f4484f7e1bec890f645a592eb5623a73bf1036ae487254161b4f333dd8b8ef6e7fbf4f6acc97282272e57c592334ce1b",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}