{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "298379",
    "entityType": "User",
    "nonce": "0xbd6fd4742c82410df619c3e09099999f132e9d5438c3d725b566e7411ee78579",
    "signature": "0x13f0c9dd2b587a0ea5c2cee9762c9a9e48a3096406aec2fe4fd3b97e7f5e44e638bcc00a0fee26406a94e7b111d5a1a94fd53eafb7ed699f755afb5964cdff2a1c",
    "signer": "0xF5C198A035503518a579b15Fb9eE834F3b4b1bAB",
    "userId": "765691673"
  }
}