{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "618025803",
    "entityType": "User",
    "nonce": "0xec397361b2cf646aac78f6f638736695b8bacbe1344ecc1415ccb19d9c02734a",
    "signature": "0xd8fe100b4805e0bdd0fe3dcbeaa4d8f324676f15bebb0810cdc4e508d7f972c619ce13771922697fd866ced6447d71f821a7b2aaadef99fd2f66f27572464f1e1b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}