{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "269412",
    "entityType": "User",
    "nonce": "0x36f5985b37bcfa4ec9b4eba1be66c1e4175ed31fd8af6d33b317e26a6b1b4add",
    "signature": "0x717129f18a54f5cd814937bf5cf0c508b19860e7edbc735394ea8a1d283467ca0190e8cff5ad3542ac2e8b71133c9bb70ee442752580eb3ccb73a0709351e8c51c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}