{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58138",
    "entityType": "User",
    "nonce": "0x3a3af900acf6cfb55399c3499e1538bc28062a143617826bc00766414dde7a50",
    "signature": "0x6b0cfb0cb7239b91a1cda95332680cece2d178cc0236c9440135abef89e24a645a723ae46fef2166e504c1774c69861f9b67d34c46ab9b768e9dd9d0c4926f491c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}