{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1438540",
    "entityType": "User",
    "nonce": "0xe4582803bc47b59a5c29db75653d1cccff5c61a27df0aca31cc29399b5aa8a92",
    "signature": "0x9f1757a928efd21cfba65ab10b12f2a5377d9f15fdbdc551e14011ae47492c5d5ba1398733f6d0a8222ebeb0716a23cfdee2852c516a1eb20a6ef4be75c161581b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}