{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67507",
    "entityType": "User",
    "nonce": "0xf54834d96fc0f5eedd750d99efdbb3c9ac93d933a0519cbf37f68e83cba3f73e",
    "signature": "0x739ee3d057b7f1fdc609ab9be4f00d0901a47de98dbe8375a3c03c933b26303c6fe40c09c4828b38d986082462c503b8e175b6e300f01f92f78a37fb678875b61b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}